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 Jigsaw puzzles are popular among young and old. When pieces have a mathematical shape they may give a bigger challenge. |
 Sudoku puzzles became very popular over the last decade. Here are a few rules for beginners. |
 Computers nowadays have very little to do, 90% of their time they are just blinking the cursor and waiting for a mouse click. You may solve a puzzle or problem yourself, but your computer has more time, is much faster and more accurate than you are. |
 You can use the computer to solve puzzles, but also to create them! Here is a small selection of mazes, made by the computer. |
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